Air Dryer
4 Maintenanc
e
4 - 1
4
Maintenance
4 - 1 Daily
Inspection
Check following points during usual operations. If you find some problems, immediately stop the operation and refer to
“Chapter 5 Troubleshooting” as soon as possible.
•
There is no air leakage
•
The running lamp is lighting during operation
•
Drain is being discharged from drain tube
•
The pointer of the evaporation thermometer indicates in the green zone when it is running with pressurized air
supply.
•
The pointer of the evaporated thermometer indicates about 3~10
o
C lower than that of ambient temperature when
the equipment is suspended with no pressurized air supply.
•
There is no abnormal sound or vibration coming up from the equipment.
•
There are no abnormal smell or smoke coming up from the equipment.
•
It is recommended to keep a maintenance/service record. Please refer to “Chapter 12-1 Service Record”
4 - 2 Periodical
Maintenance
4-2-1
Cleaning of ventilation grille (suction grille)
Clean dust and other foreign particles from the ventilation area with vacuum cleaner or air blow nozzle once a month.
Caution
During air blowing, put on protective glass and mask to prevent dusts from coming into
throat or eyes.
4-2-2
Cleaning of the case assembly
Remove the dust deposited in the auto drain case assembly every month. Use neutral detergent for cleaning. If the
degree of dirt is heavy and operating failure still continues even after cleaning, replace the product. Also, shorten
cleaning interval from the next time.
•
Part No. of case assembly
Part No.
Name
Quantity
Applicable Model
AD48
Case Assembly
1
IDU22E, IDU37E
IDU55E, IDU75E
Danger
Do not remove the case assembly when there is still air pressure left inside of the
equipment. If there is remaining air pressure,
there would be the great danger of unexpected
accident such as shooting out of parts when they are being unscrewed.
Put on gloves to prevent injury when remove the case assembly.
